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Finding the Fourth Proportional to 559.68, 767.52 and 551.04

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Solution

The fourth proportional to 559.68, 767.52 and 551.04 is: 755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.68 : 767.52 = 551.04 : x
  2. Step 2: Convert to fraction form
    559.68/767.52 = 551.04/x
  3. Step 3: Cross multiply
    559.68x = 767.52 × 551.04
  4. Step 4: Simplify right side
    559.68x = 422,934.22
  5. Step 5: Solve for x
    x = 422,934.22/559.68
  6. Step 6: Final answer
    x = 755.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.